Dec 11 10:05:33.036 INFO checking sbstp/merovingian against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:05:33.036 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 10:05:33.441 INFO [stdout] dbea788e27ed4f9fd4e1b103f7a8da507d20fb22fe72add6a3e2040329d8a8e0
Dec 11 10:05:33.443 INFO running `"docker" "start" "-a" "dbea788e27ed4f9fd4e1b103f7a8da507d20fb22fe72add6a3e2040329d8a8e0"`
Dec 11 10:05:34.524 INFO [stderr] usermod: no changes
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Dec 11 10:07:06.228 INFO [stderr]     Checking tokio-tls v0.1.4
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Dec 11 10:07:07.976 INFO [stderr]     Checking csv v1.0.0
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Dec 11 10:07:45.712 INFO [stderr]     Checking mero3 v0.1.0 (/source)
Dec 11 10:07:48.929 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 10:07:48.929 INFO [stderr]  --> src/main.rs:3:1
Dec 11 10:07:48.929 INFO [stderr]   |
Dec 11 10:07:48.929 INFO [stderr] 3 | #[macro_use]
Dec 11 10:07:48.929 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 10:07:48.929 INFO [stderr]   |
Dec 11 10:07:48.929 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:07:48.929 INFO [stderr] 
Dec 11 10:07:48.929 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 10:07:48.929 INFO [stderr]   --> src/main.rs:10:1
Dec 11 10:07:48.929 INFO [stderr]    |
Dec 11 10:07:48.929 INFO [stderr] 10 | #[macro_use]
Dec 11 10:07:48.929 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 10:07:48.929 INFO [stderr] 
Dec 11 10:07:48.929 INFO [stderr] warning: unused import: `same_file::is_same_file`
Dec 11 10:07:48.929 INFO [stderr]  --> src/rename.rs:7:5
Dec 11 10:07:48.929 INFO [stderr]   |
Dec 11 10:07:48.929 INFO [stderr] 7 | use same_file::is_same_file;
Dec 11 10:07:48.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:48.929 INFO [stderr] 
Dec 11 10:07:48.929 INFO [stderr] warning: unused import: `same_file::Handle`
Dec 11 10:07:48.929 INFO [stderr]  --> src/rename.rs:8:5
Dec 11 10:07:48.929 INFO [stderr]   |
Dec 11 10:07:48.929 INFO [stderr] 8 | use same_file::Handle;
Dec 11 10:07:48.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 10:07:48.929 INFO [stderr] 
Dec 11 10:07:48.929 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 11 10:07:48.929 INFO [stderr]  --> src/util.rs:1:5
Dec 11 10:07:48.929 INFO [stderr]   |
Dec 11 10:07:48.929 INFO [stderr] 1 | use std::cmp::Ordering;
Dec 11 10:07:48.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 10:07:48.929 INFO [stderr] 
Dec 11 10:07:48.929 INFO [stderr] warning: unused import: `std::ops::Deref`
Dec 11 10:07:48.929 INFO [stderr]  --> src/util.rs:2:5
Dec 11 10:07:48.929 INFO [stderr]   |
Dec 11 10:07:48.929 INFO [stderr] 2 | use std::ops::Deref;
Dec 11 10:07:48.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 10:07:48.929 INFO [stderr] 
Dec 11 10:07:49.452 INFO [stderr] warning: unused variable: `old_parent`
Dec 11 10:07:49.452 INFO [stderr]    --> src/rename.rs:111:17
Dec 11 10:07:49.452 INFO [stderr]     |
Dec 11 10:07:49.452 INFO [stderr] 111 |             let old_parent = item.orig.parent().expect("original path has no parent");
Dec 11 10:07:49.452 INFO [stderr]     |                 ^^^^^^^^^^ help: consider using `_old_parent` instead
Dec 11 10:07:49.452 INFO [stderr]     |
Dec 11 10:07:49.452 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 10:07:49.452 INFO [stderr] 
Dec 11 10:07:49.456 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 10:07:49.456 INFO [stderr]  --> src/main.rs:3:1
Dec 11 10:07:49.456 INFO [stderr]   |
Dec 11 10:07:49.456 INFO [stderr] 3 | #[macro_use]
Dec 11 10:07:49.456 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 10:07:49.456 INFO [stderr]   |
Dec 11 10:07:49.456 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:07:49.456 INFO [stderr] 
Dec 11 10:07:49.456 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 10:07:49.456 INFO [stderr]   --> src/main.rs:10:1
Dec 11 10:07:49.456 INFO [stderr]    |
Dec 11 10:07:49.456 INFO [stderr] 10 | #[macro_use]
Dec 11 10:07:49.456 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 10:07:49.456 INFO [stderr] 
Dec 11 10:07:49.464 INFO [stderr] warning: unused import: `same_file::is_same_file`
Dec 11 10:07:49.464 INFO [stderr]  --> src/rename.rs:7:5
Dec 11 10:07:49.464 INFO [stderr]   |
Dec 11 10:07:49.464 INFO [stderr] 7 | use same_file::is_same_file;
Dec 11 10:07:49.464 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.464 INFO [stderr] 
Dec 11 10:07:49.464 INFO [stderr] warning: unused import: `same_file::Handle`
Dec 11 10:07:49.464 INFO [stderr]  --> src/rename.rs:8:5
Dec 11 10:07:49.464 INFO [stderr]   |
Dec 11 10:07:49.464 INFO [stderr] 8 | use same_file::Handle;
Dec 11 10:07:49.464 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.464 INFO [stderr] 
Dec 11 10:07:49.464 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 11 10:07:49.464 INFO [stderr]  --> src/util.rs:1:5
Dec 11 10:07:49.464 INFO [stderr]   |
Dec 11 10:07:49.464 INFO [stderr] 1 | use std::cmp::Ordering;
Dec 11 10:07:49.464 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.464 INFO [stderr] 
Dec 11 10:07:49.464 INFO [stderr] warning: unused import: `std::ops::Deref`
Dec 11 10:07:49.464 INFO [stderr]  --> src/util.rs:2:5
Dec 11 10:07:49.464 INFO [stderr]   |
Dec 11 10:07:49.464 INFO [stderr] 2 | use std::ops::Deref;
Dec 11 10:07:49.464 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 10:07:49.464 INFO [stderr] 
Dec 11 10:07:49.608 INFO [stderr] warning: function is never used: `join_displays`
Dec 11 10:07:49.608 INFO [stderr]   --> src/input.rs:16:1
Dec 11 10:07:49.608 INFO [stderr]    |
Dec 11 10:07:49.608 INFO [stderr] 16 | / fn join_displays<I, D>(glue: &str, pieces: I) -> String
Dec 11 10:07:49.608 INFO [stderr] 17 | | where
Dec 11 10:07:49.608 INFO [stderr] 18 | |     I: IntoIterator<Item = D>,
Dec 11 10:07:49.608 INFO [stderr] 19 | |     D: Display,
Dec 11 10:07:49.608 INFO [stderr] ...  |
Dec 11 10:07:49.608 INFO [stderr] 34 | |     buf
Dec 11 10:07:49.608 INFO [stderr] 35 | | }
Dec 11 10:07:49.608 INFO [stderr]    | |_^
Dec 11 10:07:49.608 INFO [stderr]    |
Dec 11 10:07:49.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 10:07:49.608 INFO [stderr] 
Dec 11 10:07:49.608 INFO [stderr] warning: function is never used: `style_default`
Dec 11 10:07:49.608 INFO [stderr]   --> src/input.rs:37:1
Dec 11 10:07:49.608 INFO [stderr]    |
Dec 11 10:07:49.608 INFO [stderr] 37 | / fn style_default<D>(disp: D) -> Paint<D>
Dec 11 10:07:49.608 INFO [stderr] 38 | | where
Dec 11 10:07:49.608 INFO [stderr] 39 | |     D: Display,
Dec 11 10:07:49.608 INFO [stderr] 40 | | {
Dec 11 10:07:49.608 INFO [stderr] 41 | |     Paint::new(disp).underline().bold()
Dec 11 10:07:49.608 INFO [stderr] 42 | | }
Dec 11 10:07:49.608 INFO [stderr]    | |_^
Dec 11 10:07:49.608 INFO [stderr] 
Dec 11 10:07:49.608 INFO [stderr] warning: struct is never constructed: `Input`
Dec 11 10:07:49.608 INFO [stderr]   --> src/input.rs:44:1
Dec 11 10:07:49.608 INFO [stderr]    |
Dec 11 10:07:49.608 INFO [stderr] 44 | pub struct Input {
Dec 11 10:07:49.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 11 10:07:49.608 INFO [stderr] 
Dec 11 10:07:49.608 INFO [stderr] warning: method is never used: `new`
Dec 11 10:07:49.608 INFO [stderr]   --> src/input.rs:49:5
Dec 11 10:07:49.608 INFO [stderr]    |
Dec 11 10:07:49.608 INFO [stderr] 49 |     pub fn new() -> Input {
Dec 11 10:07:49.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.608 INFO [stderr] 
Dec 11 10:07:49.608 INFO [stderr] warning: method is never used: `read_line`
Dec 11 10:07:49.608 INFO [stderr]   --> src/input.rs:53:5
Dec 11 10:07:49.608 INFO [stderr]    |
Dec 11 10:07:49.608 INFO [stderr] 53 |     pub fn read_line(&self) -> String {
Dec 11 10:07:49.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.608 INFO [stderr] 
Dec 11 10:07:49.608 INFO [stderr] warning: method is never used: `ask_line`
Dec 11 10:07:49.608 INFO [stderr]   --> src/input.rs:61:5
Dec 11 10:07:49.608 INFO [stderr]    |
Dec 11 10:07:49.608 INFO [stderr] 61 |     pub fn ask_line(&self, question: &str) -> String {
Dec 11 10:07:49.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.608 INFO [stderr] 
Dec 11 10:07:49.608 INFO [stderr] warning: method is never used: `confirm`
Dec 11 10:07:49.608 INFO [stderr]   --> src/input.rs:66:5
Dec 11 10:07:49.608 INFO [stderr]    |
Dec 11 10:07:49.608 INFO [stderr] 66 |     pub fn confirm(&self, question: &str, default: Option<bool>) -> bool {
Dec 11 10:07:49.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.608 INFO [stderr] 
Dec 11 10:07:49.608 INFO [stderr] warning: method is never used: `select`
Dec 11 10:07:49.608 INFO [stderr]    --> src/input.rs:85:5
Dec 11 10:07:49.609 INFO [stderr]     |
Dec 11 10:07:49.609 INFO [stderr] 85  | /     pub fn select<'c, 'n>(
Dec 11 10:07:49.609 INFO [stderr] 86  | |         &self,
Dec 11 10:07:49.609 INFO [stderr] 87  | |         question: &str,
Dec 11 10:07:49.609 INFO [stderr] 88  | |         choices: impl AsRef<[(&'c str, &'n str)]>,
Dec 11 10:07:49.609 INFO [stderr] ...   |
Dec 11 10:07:49.609 INFO [stderr] 126 | |         }
Dec 11 10:07:49.609 INFO [stderr] 127 | |     }
Dec 11 10:07:49.609 INFO [stderr]     | |_____^
Dec 11 10:07:49.609 INFO [stderr] 
Dec 11 10:07:49.615 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:07:49.615 INFO [stderr]   --> src/input.rs:28:21
Dec 11 10:07:49.615 INFO [stderr]    |
Dec 11 10:07:49.615 INFO [stderr] 28 |                     write!(buf, "{}", glue);
Dec 11 10:07:49.615 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.615 INFO [stderr]    |
Dec 11 10:07:49.615 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 10:07:49.615 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:07:49.615 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 10:07:49.615 INFO [stderr] 
Dec 11 10:07:49.776 INFO [stderr] warning: unused variable: `old_parent`
Dec 11 10:07:49.776 INFO [stderr]    --> src/rename.rs:111:17
Dec 11 10:07:49.776 INFO [stderr]     |
Dec 11 10:07:49.776 INFO [stderr] 111 |             let old_parent = item.orig.parent().expect("original path has no parent");
Dec 11 10:07:49.776 INFO [stderr]     |                 ^^^^^^^^^^ help: consider using `_old_parent` instead
Dec 11 10:07:49.776 INFO [stderr]     |
Dec 11 10:07:49.776 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 10:07:49.776 INFO [stderr] 
Dec 11 10:07:49.940 INFO [stderr] warning: function is never used: `join_displays`
Dec 11 10:07:49.940 INFO [stderr]   --> src/input.rs:16:1
Dec 11 10:07:49.940 INFO [stderr]    |
Dec 11 10:07:49.940 INFO [stderr] 16 | / fn join_displays<I, D>(glue: &str, pieces: I) -> String
Dec 11 10:07:49.940 INFO [stderr] 17 | | where
Dec 11 10:07:49.940 INFO [stderr] 18 | |     I: IntoIterator<Item = D>,
Dec 11 10:07:49.940 INFO [stderr] 19 | |     D: Display,
Dec 11 10:07:49.940 INFO [stderr] ...  |
Dec 11 10:07:49.940 INFO [stderr] 34 | |     buf
Dec 11 10:07:49.940 INFO [stderr] 35 | | }
Dec 11 10:07:49.940 INFO [stderr]    | |_^
Dec 11 10:07:49.940 INFO [stderr]    |
Dec 11 10:07:49.940 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 10:07:49.940 INFO [stderr] 
Dec 11 10:07:49.940 INFO [stderr] warning: function is never used: `style_default`
Dec 11 10:07:49.940 INFO [stderr]   --> src/input.rs:37:1
Dec 11 10:07:49.940 INFO [stderr]    |
Dec 11 10:07:49.940 INFO [stderr] 37 | / fn style_default<D>(disp: D) -> Paint<D>
Dec 11 10:07:49.940 INFO [stderr] 38 | | where
Dec 11 10:07:49.940 INFO [stderr] 39 | |     D: Display,
Dec 11 10:07:49.940 INFO [stderr] 40 | | {
Dec 11 10:07:49.940 INFO [stderr] 41 | |     Paint::new(disp).underline().bold()
Dec 11 10:07:49.940 INFO [stderr] 42 | | }
Dec 11 10:07:49.940 INFO [stderr]    | |_^
Dec 11 10:07:49.940 INFO [stderr] 
Dec 11 10:07:49.940 INFO [stderr] warning: struct is never constructed: `Input`
Dec 11 10:07:49.940 INFO [stderr]   --> src/input.rs:44:1
Dec 11 10:07:49.940 INFO [stderr]    |
Dec 11 10:07:49.940 INFO [stderr] 44 | pub struct Input {
Dec 11 10:07:49.940 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 11 10:07:49.940 INFO [stderr] 
Dec 11 10:07:49.940 INFO [stderr] warning: method is never used: `new`
Dec 11 10:07:49.940 INFO [stderr]   --> src/input.rs:49:5
Dec 11 10:07:49.940 INFO [stderr]    |
Dec 11 10:07:49.940 INFO [stderr] 49 |     pub fn new() -> Input {
Dec 11 10:07:49.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.940 INFO [stderr] 
Dec 11 10:07:49.940 INFO [stderr] warning: method is never used: `read_line`
Dec 11 10:07:49.940 INFO [stderr]   --> src/input.rs:53:5
Dec 11 10:07:49.940 INFO [stderr]    |
Dec 11 10:07:49.940 INFO [stderr] 53 |     pub fn read_line(&self) -> String {
Dec 11 10:07:49.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.940 INFO [stderr] 
Dec 11 10:07:49.940 INFO [stderr] warning: method is never used: `ask_line`
Dec 11 10:07:49.940 INFO [stderr]   --> src/input.rs:61:5
Dec 11 10:07:49.940 INFO [stderr]    |
Dec 11 10:07:49.940 INFO [stderr] 61 |     pub fn ask_line(&self, question: &str) -> String {
Dec 11 10:07:49.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.941 INFO [stderr] 
Dec 11 10:07:49.941 INFO [stderr] warning: method is never used: `confirm`
Dec 11 10:07:49.941 INFO [stderr]   --> src/input.rs:66:5
Dec 11 10:07:49.941 INFO [stderr]    |
Dec 11 10:07:49.941 INFO [stderr] 66 |     pub fn confirm(&self, question: &str, default: Option<bool>) -> bool {
Dec 11 10:07:49.941 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.941 INFO [stderr] 
Dec 11 10:07:49.941 INFO [stderr] warning: method is never used: `select`
Dec 11 10:07:49.941 INFO [stderr]    --> src/input.rs:85:5
Dec 11 10:07:49.941 INFO [stderr]     |
Dec 11 10:07:49.941 INFO [stderr] 85  | /     pub fn select<'c, 'n>(
Dec 11 10:07:49.941 INFO [stderr] 86  | |         &self,
Dec 11 10:07:49.941 INFO [stderr] 87  | |         question: &str,
Dec 11 10:07:49.941 INFO [stderr] 88  | |         choices: impl AsRef<[(&'c str, &'n str)]>,
Dec 11 10:07:49.941 INFO [stderr] ...   |
Dec 11 10:07:49.941 INFO [stderr] 126 | |         }
Dec 11 10:07:49.941 INFO [stderr] 127 | |     }
Dec 11 10:07:49.941 INFO [stderr]     | |_____^
Dec 11 10:07:49.941 INFO [stderr] 
Dec 11 10:07:49.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:07:49.941 INFO [stderr]   --> src/input.rs:28:21
Dec 11 10:07:49.941 INFO [stderr]    |
Dec 11 10:07:49.941 INFO [stderr] 28 |                     write!(buf, "{}", glue);
Dec 11 10:07:49.941 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:49.941 INFO [stderr]    |
Dec 11 10:07:49.941 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 10:07:49.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:07:49.941 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 10:07:49.941 INFO [stderr] 
Dec 11 10:07:49.992 INFO [stderr]     Finished dev [unoptimized] target(s) in 2m 15s
Dec 11 10:07:50.009 INFO [stderr] su: No module specific data is present
Dec 11 10:07:50.566 INFO running `"docker" "inspect" "dbea788e27ed4f9fd4e1b103f7a8da507d20fb22fe72add6a3e2040329d8a8e0"`
Dec 11 10:07:50.888 INFO running `"docker" "rm" "-f" "dbea788e27ed4f9fd4e1b103f7a8da507d20fb22fe72add6a3e2040329d8a8e0"`
Dec 11 10:07:51.184 INFO [stdout] dbea788e27ed4f9fd4e1b103f7a8da507d20fb22fe72add6a3e2040329d8a8e0